If your laptop screen has small black spot it can be just dust. In this case you will need to clean the screen. It is better to use distilled water but not a solvent. Always shut down your laptop before cleaning. Using a lint-free microfiber cloth is best; an old cloth can bring in dust. In the end, dry the screen with dry cloth.
If small black spots did not fade away after cleaning or they are white or colorized, it is quite possible that the screen has defective pixels. Broken down pixels can be different by nature. According to an archetypal classification, they can be stuck, hot, and dead. And subsequently, they require different approach to fix.
At times, stuck pixels may start working with time again. At times such pixels can be re-energized by turning them on and off rapidly. You may find many diverse advices on the Internet how to compact with faulty pixels. Some of them are worth to try, others may harm the screen.
Nevertheless, it is better to try diverse approaches to fix these pixels. Regrettably, if your screen has a dead or a partially dead pixels, in most cases there is nothing that you can do about it other than replacing your laptop screen with a new panel. Laptop screens are more fragile than old CRTs and faulty pixels can be simply being given by users if pressure is put upon screen. Till now we have focused on the basics of laptop screen repair.
The screen may have scratches. Some try CD scratch remover but as a regulation it makes the screen poorer. The fact, every laptop screen section has an outside layer on top of the actual screen, this is what is scratched. Regrettably, it cannot be mended. If your screen has many scrape marks, looks too hideous, then the most essential solution would be to restore the screen.
In case of dark screen, glimmer, hoop, or other image problem, the first step should be to formulate surely that this is a screen problem and not other laptop’s part. For that reason, it is essential to check if other parts of laptop work.
The easiest way is just to attach an external monitor through video output. If picture is good it means that the laptop screen is non-functional or busted. In case of dimmed screen or flicker it might be broken inverter or back-light bulb. The back-light lamp is ascended inside the screen.
When the back-light lamp fails, you got to know about the laptop screen repair. All screen parts are supplied in one unit that can be restored. No hesitation that most people are afraid to change their laptop screen first time. But replacing laptop screen is simple. It is merely somewhat more difficult than changing a light-bulb.